Series 5 Flow Switch / Flow Indicator

ERECTA SWITCH'S family of small flow sensing switches detect flow or no flow in a wide range of liquid and gas applications. Used to monitor coolant in lasers, activate water purification, turn on water system heaters, or sense dirty filters with SPST contacts that close on flow. Sized at apx. 1" x 5", and 1/8" to 1/2" NPT and hose connections are available. Injection molded plastic construction in Polypropylene, Acetal, and PVDF Kynar.

ES5-19 Angle Body Indicating Flow Switch

The 5-19 angle body flow switch / flow indicator is available in preset trip points including 0.1 gpm , 0.25 gpm, 0.50 gpm, 0.75 gpm, and 1.00 gpm. (Requires Series 5 accessory fittings).

A red color rod is visible through a transparent window and provides relative indication of flow rate.

ES5-20 Angle Body Flow Switch

The 5-20 angle body flow switch is available in preset trip points including 0.1 gpm, 0.25 gpm, 0.50 gpm, 0.75 gpm, and 1.00 gpm.Standard clean out port. (Requires Series 5 accessory fittings).

ES5-21 Straight Body Flow Switch

The 5-21 straight body flow switch is available factory preset at 0.1 gpm, 0.25 gpm, 0.50 gpm, 0.75 gpm and 1.00 gpm.
(Requires Series 5 accessory fittings)

ES5-21H Straight Body High Flow Switch

The ES5-21 high flow switch is available in 0.30 or 0.75 GPM preset trip point; low pressure drop at/or near threshold operate point; comparatively low pressure drop at high flow rate; accessory thread adapters are not required.

Series 5 Flow Switch Fittings

Used with the ERECTA SWITCH Series 5 flow switches. There are 4 sizes available, 1/8" NPT female, 1/4" NPT female, 1/2" NPT male, and 1/2" NPT hose. Injection molded plastic construction, available in Polypropylene, Acetal and PVDF Kynar. Order as an accessory when purchasing Series 5 Flow Switches.